chore: use file-scoped namespace

src/Shared/HandyControl_Shared/Tools/Extension/ValueExtension.cs

@@ -1,23 +1,22 @@
 using System.Windows;
 using HandyControl.Expression.Drawing;
 
-namespace HandyControl.Tools.Extension
+namespace HandyControl.Tools.Extension;
+
+public static class ValueExtension
 {
-    public static class ValueExtension
-    {
-        public static Thickness Add(this Thickness a, Thickness b) => new(a.Left + b.Left, a.Top + b.Top, a.Right + b.Right, a.Bottom + b.Bottom);
+    public static Thickness Add(this Thickness a, Thickness b) => new(a.Left + b.Left, a.Top + b.Top, a.Right + b.Right, a.Bottom + b.Bottom);
 
-        public static bool IsZero(this Thickness thickness) =>
-            MathHelper.IsZero(thickness.Left)
-            && MathHelper.IsZero(thickness.Top)
-            && MathHelper.IsZero(thickness.Right)
-            && MathHelper.IsZero(thickness.Bottom);
+    public static bool IsZero(this Thickness thickness) =>
+        MathHelper.IsZero(thickness.Left)
+        && MathHelper.IsZero(thickness.Top)
+        && MathHelper.IsZero(thickness.Right)
+        && MathHelper.IsZero(thickness.Bottom);
 
-        public static bool IsUniform(this Thickness thickness) =>
-            MathHelper.AreClose(thickness.Left, thickness.Top)
-            && MathHelper.AreClose(thickness.Left, thickness.Right)
-            && MathHelper.AreClose(thickness.Left, thickness.Bottom);
+    public static bool IsUniform(this Thickness thickness) =>
+        MathHelper.AreClose(thickness.Left, thickness.Top)
+        && MathHelper.AreClose(thickness.Left, thickness.Right)
+        && MathHelper.AreClose(thickness.Left, thickness.Bottom);
 
-        public static bool IsNaN(this double value) => double.IsNaN(value);
-    }
-}
+    public static bool IsNaN(this double value) => double.IsNaN(value);
+}